company closed Korea visa foreign worker reporting delay Korea visa reporting timing Korea change job korea visa foreign worker side job korea foreign worker resignation foreign worker job change korea KOTRA job fair freelance jobs Korea teaching jobs Korea severance pay Korea job termination Korea foreigner Korea job search guide English jobs Korea quitting job Korea foreigner Seoul Global Center XpatJobs foreign worker visa korea rules job change korea immigration work compliance labor office Korea workplace change Korea employer no response Korea foreign worker job change jobs in Korea for foreigners labor rights foreigners Korea non-teaching jobs Korea retirement pay Korea foreign worker severance Korea unpaid wages Korea e7 visa job change korea visa sponsorship Korea work visa status E-7 visa Korea labor office communication Korea work in South Korea 2025 unpaid salary Korea foreigner unpaid wages foreigner Korea employer shutdown foreign worker Korea notice period korea LinkedIn Korea resigning job korea foreign employment law korea foreigner jobs Seoul korea employment visa visa reporting deadline Korea Kowork Korea job platforms fired in Korea visa work visa korea rules foreign worker unsafe work Korea job change Korea JobKorea workplace change reporting Korea foreign worker foreign worker ghosted Korea Saramin part-time jobs Korea visa violation part time korea labor office foreign workers Korea job change visa korea process foreign worker korea immigration reporting steps work visa korea foreign worker mistakes Korea Korean labor law foreigners expat career Korea foreign worker Korea unpaid severance Korea salary not paid Korea